<template>
  <el-form size="small">
    <el-form-item>
      <el-radio v-model="radioValue" :value="1"> 月，允许的通配符[, - * /] </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model="radioValue" :value="2">
        周期从
        <el-input-number v-model="cycle01" :min="1" :max="11" /> - <el-input-number v-model="cycle02" :min="cycle01 + 1" :max="12" /> 月
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model="radioValue" :value="3">
        从
        <el-input-number v-model="average01" :min="1" :max="11" /> 月开始，每 <el-input-number v-model="average02" :min="1" :max="12 - average01" /> 月月执行一次
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model="radioValue" :value="4">
        指定
        <el-select v-model="checkboxList" clearable placeholder="可多选" multiple :multiple-limit="8">
          <el-option v-for="item in monthList" :key="item.key" :label="item.value" :value="item.key" />
        </el-select>
      </el-radio>
    </el-form-item>
  </el-form>
</template>
<!-- eslint-disable vue/no-side-effects-in-computed-properties -->

<script setup lang="ts">
  import { computed, ref, watch } from "vue";

  const emit = defineEmits(["update"]);
  const props = defineProps({
    cron: {
      type: Object,
      default: () => ({
        second: "*",
        min: "*",
        hour: "*",
        day: "*",
        month: "*",
        week: "?",
        year: ""
      })
    },
    check: {
      type: Function,
      // eslint-disable-next-line @typescript-eslint/no-empty-function
      default: () => {}
    }
  });
  const radioValue = ref(1);
  const cycle01 = ref(1);
  const cycle02 = ref(2);
  const average01 = ref(1);
  const average02 = ref(1);
  const checkboxList = ref<number[]>([]);
  const checkCopy = ref([1]);
  const monthList = ref([
    { key: 1, value: "一月" },
    { key: 2, value: "二月" },
    { key: 3, value: "三月" },
    { key: 4, value: "四月" },
    { key: 5, value: "五月" },
    { key: 6, value: "六月" },
    { key: 7, value: "七月" },
    { key: 8, value: "八月" },
    { key: 9, value: "九月" },
    { key: 10, value: "十月" },
    { key: 11, value: "十一月" },
    { key: 12, value: "十二月" }
  ]);
  const cycleTotal = computed(() => {
    cycle01.value = props.check(cycle01.value, 1, 11);
    cycle02.value = props.check(cycle02.value, cycle01.value + 1, 12);
    return cycle01.value + "-" + cycle02.value;
  });
  const averageTotal = computed(() => {
    average01.value = props.check(average01.value, 1, 11);
    average02.value = props.check(average02.value, 1, 12 - average01.value);
    return average01.value + "/" + average02.value;
  });
  const checkboxString = computed(() => {
    return checkboxList.value.join(",");
  });
  watch(
    () => props.cron.month,
    (value) => changeRadioValue(value)
  );
  watch([radioValue, cycleTotal, averageTotal, checkboxString], () => onRadioChange());
  function changeRadioValue(value: string) {
    if (value === "*") {
      radioValue.value = 1;
    } else if (value.indexOf("-") > -1) {
      const indexArr = value.split("-");
      cycle01.value = Number(indexArr[0]);
      cycle02.value = Number(indexArr[1]);
      radioValue.value = 2;
    } else if (value.indexOf("/") > -1) {
      const indexArr = value.split("/");
      average01.value = Number(indexArr[0]);
      average02.value = Number(indexArr[1]);
      radioValue.value = 3;
    } else {
      checkboxList.value = [...new Set(value.split(",").map((item) => Number(item)))];
      radioValue.value = 4;
    }
  }
  function onRadioChange() {
    switch (radioValue.value) {
      case 1:
        emit("update", "month", "*", "month");
        break;
      case 2:
        emit("update", "month", cycleTotal.value, "month");
        break;
      case 3:
        emit("update", "month", averageTotal.value, "month");
        break;
      case 4:
        if (checkboxList.value.length === 0) {
          checkboxList.value.push(checkCopy.value[0]);
        } else {
          checkCopy.value = checkboxList.value;
        }
        emit("update", "month", checkboxString.value, "month");
        break;
    }
  }
</script>

<style lang="scss" scoped>
  .el-input-number--small,
  .el-select,
  .el-select--small {
    margin: 0 0.2rem;
  }

  .el-select,
  .el-select--small {
    width: 18.8rem;
  }
</style>
